Live Education Quiz

1. What is the ultimate goal of analyzing data in data science?

A To create colourful charts.

B To make better decisions.

C To collect as much data as possible.

D To write long reports.

2. What does data collection involve?

A Presenting data in charts

B Gathering raw data from sources

C Deleting data

D Printing reports

3. Which step converts raw data into useful information?

A Data cleaning

B Data analysis

C Data storage

D Data collection

4. What does a pie chart mainly show?

A Exact values

B Parts of a whole

C Trends

D Relationships

5. What does qualitative data describe?

A Numbers only

B Measurements

C Qualities or characteristics

D Calculations

6. Which software is commonly used for basic data visualization?

A Spreadsheet software

B Operating system

C Antivirus software

D Compiler

7. Which chart is commonly used to compare categories?

A Line chart

B Bar chart

C Scatter plot

D Histogram

8. Which of these is a common type of chart used for data visualization?

A A text document.

B An audio file.

C A computer program.

D A bar chart.

9. What is the final stage of the data science life cycle?

A Data collection

B Data cleaning

C Decision making or deployment

D Data visualization

10. What does a bar chart display?

A Trends over time

B Categories and values

C Geographic data

D Random data

11. Which visualization is best for showing frequency distribution?

A Histogram

B Pie chart

C Line chart

D Map

12. What is the main goal of data analysis?

A To design hardware

B To find patterns and insights

C To type documents

D To send emails

13. Which stage involves removing errors and inconsistencies from data?

A Data collection

B Data cleaning

C Data visualization

D Data storage

14. Which of the following is an example of data?

A Student marks list

B Final report

C Decision

D Conclusion

15. What kind of chart uses dots to show data points?

A Bar chart

B Line chart

C Scatter plot

D Pie chart

16. What does 'data' mean in the context of data science?

A Only pictures and videos.

B A collection of facts, such as numbers, words, or measurements.

C Only the software on a computer.

D The physical parts of a computer like the mouse and keyboard.

17. Why is data visualization important?

A It increases storage size

B It makes data easier to understand

C It deletes duplicate data

D It hides information

18. What is the purpose of decision making in data science?

A To collect more data

B To take actions based on insights

C To clean data

D To visualize data

19. What is Data Science?

A The art of drawing pictures on a computer.

B The process of building computer hardware.

C The study of data to find useful information and patterns.

D The process of creating animations and games.

20. Which skill is essential for a data scientist?

A Drawing skills

B Statistical analysis

C Hardware repair

D Typing speed

Unit 4: Data and Analysis

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